Powered exclusively by the G-Series Li-ion battery - Compact and lightweight design - All metal gear construction ensures high transmission durability - Single sleeve keyless chuck enables easy bit installation/removal with one hand - Ergonomically designed rubberized soft grip provides more control and comfort Capacity / Steel : 13mm (1/2") / Wood : 36mm (1-7/16") No load speed (rpm) / Hi : 0-1,400 / Lo : 0-400 Max. fastening torque / hard/ soft: 42/ 42 N m Dimensions (L x W x H) / 221x83x240mm (8-3/4"x3-1/4"x9-1/2") Net weight / 1.7kg (3.7lbs) Standard Equipment: (+)(-) bit Available Variants: includes 2 batteries / 1charger / carry case